65078963 has 4 divisors (see below), whose sum is σ = 65309208. Its totient is φ = 64848720.

The previous prime is 65078957. The next prime is 65078999. The reversal of 65078963 is 36987056.

65078963 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 65078963 - 2¹⁴ = 65062579 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65078953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114698 + ... + 115263.

It is an arithmetic number, because the mean of its divisors is an integer number (16327302).

Almost surely, 2^65078963 is an apocalyptic number.

65078963 is a deficient number, since it is larger than the sum of its proper divisors (230245).

65078963 is a wasteful number, since it uses less digits than its factorization.

65078963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230244.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 65078963 is about 8067.1533393137. The cubic root of 65078963 is about 402.2353246237.

The spelling of 65078963 in words is "sixty-five million, seventy-eight thousand, nine hundred sixty-three".